Abdulhamid Ahmed. (2012). Soil-transmitted helminthiasis among Orang Asli schoolchildren in Satak, Pahang, Malaysia: Current status, risk factors and impact on growth, serum trace elements levels, cognitive function and school performance.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Abdulhamid Ahmed. Soil-transmitted Helminthiasis Among Orang Asli Schoolchildren in Satak, Pahang, Malaysia: Current Status, Risk Factors and Impact on Growth, Serum Trace Elements Levels, Cognitive Function and School Performance. 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Abdulhamid Ahmed. Soil-transmitted Helminthiasis Among Orang Asli Schoolchildren in Satak, Pahang, Malaysia: Current Status, Risk Factors and Impact on Growth, Serum Trace Elements Levels, Cognitive Function and School Performance. 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.